Finding the Third Proportional to 38,948.50 and 55,506.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,948.50 : 55,506.50 = 55,506.50 : x
2. Step 2: Convert to fraction form
   38,948.50/55,506.50 = 55,506.50/x
3. Step 3: Cross multiply
   38,948.50x = 55,506.50 × 55,506.50
4. Step 4: Simplify right side
   38,948.50x = 3,080,971,542.25
5. Step 5: Solve for x
   x = 3,080,971,542.25/38,948.50
6. Step 6: Final answer
   x = 79,103.73